Fish ID: Rough Leatherjacket

Leatherjacket rough leatherjacket hp
Family Filefish (MONACANTHIDAE)
species Species ?
size Up to 32cm
locality Anywhere there's kelp
range Temperate waters around southern Australia

Would probably have been called the ‘common’ leatherjacket – but rough sounds better for a fish that already has a leathery skin. It has palish skin with dark blotches – particularly one above the pectoral fin.